1. Department of Molecular Medicine University of Pavia Pavia Italy
2. Division of Haematology Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Policlinico San Matteo Pavia Italy
3. Department of Pathology and Tumor Biology Kyoto University Kyoto Japan
4. Division of Hematopoietic Disease Control The Institute of Medical Sciences The University of Tokyo Tokyo Japan
5. Division of Haematology Azienda USL Toscana Nord Ovest Lucca Italy
6. Service of Clinical Epidemiology and Biostatistics Fondazione Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Policlinico San Matteo Pavia Italy